The Daily Brew
Selected astro-ph abstracts for Wednesday March 21
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The Lx-Yx Relation: Using Galaxy Cluster X-Ray Luminosity as a Robust, 
Low Scatter Mass Proxy 
 B. J. Maughan (Harvard-Smithsonian Center for Astrophysics)
 astro-ph/0703504
 
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Galactic halo stellar structures in the Triangulum-Andromeda region 
 Nicolas F. Martin (1), Rodrigo A. Ibata (2) and Mike Irwin (3) ((1) 
MPIA, Heidelberg, (2) Observatoire de Strasbourg, (3) IoA, Cambridge)
 astro-ph/0703506
 
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The missing metals problem. III How many metals are expelled from 
galaxies? 
 Nicolas Bouche (1), Matthew D. Lehnert (2), Anthony Aguirre (3), 
Celine Peroux (4), Jacqueline Bergeron (5) ((1) MPE, Garching (2) GEPI, 
Paris, (3) UC Santa Cruz, (4) ESO, (5) IAP, Paris)
 astro-ph/0703509
 
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A possible activity cycle in Proxima Centauri 
 Carolina Cincunegui, Rodrigo F. D\'iaz, Pablo J. D. Mauas
 astro-ph/0703514
 
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The structure of the Galactic halo: SDSS versus SuperCOSMOS 
 Y. Xu, L. C. Deng, J. Y. Hu
 astro-ph/0703516
 
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The Sersic Virial Hyperplane 
 S. Capozziello, V.F. Cardone, R. Molinaro, V. Salzano
 astro-ph/0703532
 
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